change to dict.fromkeys for faster de-duping

Textualize · Nov 7, 2024 · a2bd3c3 · a2bd3c3
1 parent e516d7e
commit a2bd3c3
Showing 1 changed file with 5 additions and 6 deletions.
diff --git a/src/textual/widgets/_key_panel.py b/src/textual/widgets/_key_panel.py
@@ -90,12 +90,11 @@ def render_description(binding: Binding) -> Text:
             get_key_display = self.app.get_key_display
             for multi_bindings in action_to_bindings.values():
                 binding, enabled, tooltip = multi_bindings[0]
-                unique_key_displays: list[str] = []
-                for binding, _, _ in multi_bindings:
-                    key_display = get_key_display(binding)
-                    if key_display not in unique_key_displays:
-                        unique_key_displays.append(key_display)
-                keys_display = " ".join(unique_key_displays)
+                keys_display = " ".join(
+                    dict.fromkeys(  # Remove duplicates while preserving order
+                        get_key_display(binding) for binding, _, _ in multi_bindings
+                    )
+                )
                 table.add_row(
                     Text(keys_display, style=key_style),
                     render_description(binding),